# list_i = [1,2,3,4]
#
# #  找出最大质量的苹果和最小质量的苹果
# apple = [0.5,0.4,0.6,0.7,0.9]



def add_ab(a,b):
    c = a +b
    return c

num1 = 5
num2 = 4
total = add_ab(num1,num2)

print(total)
